You do get Inventory/Safe/Storage/Locker upgrades to 80 max each later. If you purchase the Satchel then its another potential 80. But the problem isnt the space because its plenty for ONE JOB, and because you will eventually level another job that may not share the same armor, then therefore it eats up space like mad.

I have PLD, WHM, and SAM that i level, and my god the space it HURTS. None of those job share alot of common equips, and with macroing other pieces in to optimize my performance...ffffffffffffffff!

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They should however make it so Tetra Master is playable in-game. More interactive minigames between players thats casual! Or better yet, Triple Triad. Even Bliztball or whatever. If you have a minigame thats easy to implement inside the actual game itself, and it is reminiscence of older FF Titles, it can be potentially awesome.